vendorcode/intel: Add Kconfig option to get UDK_VERSION

This patch ensures if required SoC/FSP driver code can retrieve
UDK version for a platform.

Change-Id: I3120ce512255ed6f2a40413e8e6d8000c7285b39
Signed-off-by: Subrata Banik <subrata.banik@intel.com>
Reviewed-on: https://review.coreboot.org/23374
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-by: Furquan Shaikh <furquan@google.com>

src/vendorcode/intel/Kconfig

@@ -30,3 +30,23 @@ config UDK_2015_BINDING
 
 config UDK_2017_BINDING
 	def_bool n
+
+config UDK_2013_VERSION
+	int
+	default 2013
+
+config UDK_2015_VERSION
+	int
+	default 2015
+
+config UDK_2017_VERSION
+	int
+	default 2017
+
+config UDK_VERSION
+	int
+	default UDK_2017_VERSION if UDK_2017_BINDING
+	default UDK_2015_VERSION if UDK_2015_BINDING
+	default UDK_2013_VERSION
+	help
+	  UEFI Development Kit version for Platform